StruxureWare Data Center Expert (DCE) has the option for a customer to import an SSL certificate for use when launching to the server. The cert must be added to DCE as a .PEM file or you can open the ,PEM file and copy and paste the data into the import certificate dialog box. Please be sure to copy all information between:
-----BEGIN CERTIFICATE-----
and
-----END CERTIFICATE-----
Please also be sure not to include any lines outside of this area including any extra spaces.

You can not add a .CRT file to DCE.
You can not add a chain cert as a single .PEM file.